Connecting piece for front longitudinal beam, connecting assembly and automobile

Abstract

The utility model provides a connecting piece for a front longitudinal beam, a connecting assembly and an automobile, the connecting piece comprises a connecting plate, the connecting plate is used for being connected with a nut plate, and the middle part of the connecting plate is provided with a welding connecting position; the supporting frame is arranged in the automobile front longitudinal beam in a penetrating manner and is used for supporting and connecting the automobile front longitudinal beam; wherein the supporting frame is in a ring sleeve shape and is arranged around the normal direction of the connecting plate, and the edge, close to the connecting plate, of the supporting frame is connected with the welding connection position of the connecting plate in a welded mode. The integrity of the supporting frame can be guaranteed without cutting the supporting frame, and due to the fact that no notch exists when the supporting frame supports the front end of the front longitudinal beam, the supporting frame can be effectively attached to the front end of the front longitudinal beam, the overall rigidity of the front end of the front longitudinal beam is enhanced, and the position is prevented from deforming when the front end of the front longitudinal beam collides with the front end of the front longitudinal beam.

Description

Technical Field

[0001] The present application relates to the technical field of automobile parts, and in particular to a connecting piece, a connecting assembly and an automobile for a front longitudinal beam. Background Art

[0002] Nowadays, cars have become a very important means of transportation for people to travel. Various traffic accidents are complex and diverse, especially frontal collision accidents occur frequently. The front anti-collision beam plays a key role in ensuring the safety of the vehicle in both low-speed and high-speed collisions. Therefore, its performance needs to be studied in the process of vehicle development and design.

[0003] Since the front anti-collision beam mounting plate is a key component connecting the front anti-collision beam and the front longitudinal beam of the cabin, the quality of its structure directly affects the crushing effect of the energy absorption box and the front longitudinal beam, and further affects the frontal collision safety performance of the vehicle. During the use of the existing mounting plate, due to its own production process, the supporting part of the mounting plate needs to be cut and then folded for support. There is a gap in the support of the mounting plate for the front longitudinal beam, resulting in weak rigidity of the gap part during a collision. When a collision occurs, the front longitudinal beam is easily deformed. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of the utility model is to provide a connecting piece, a connecting assembly and a car for a front longitudinal beam, so as to solve the problem that during the use of the existing mounting plate in the prior art, there is a gap in the support of the front longitudinal beam by the mounting plate, resulting in weak rigidity of the gap portion during a collision, which easily causes deformation of the front longitudinal beam when a collision occurs.

[0005] In order to achieve the above-mentioned object and other related objects, the utility model provides a connecting piece for a front longitudinal beam, comprising:

[0006] A connecting plate, the connecting plate is used to connect with the nut plate, and the middle part of the connecting plate has a welding connection position;

[0007] A support frame, the support frame is inserted into the front longitudinal beam of the automobile and is used to support and connect the front longitudinal beam of the automobile;

[0008] Wherein, the support frame is in a ring shape and is normally arranged around the connecting plate. The support frame is welded to the welding connection position of the connecting plate near the edge of the connecting plate.

[0009] Optionally, welding points for welding to the nut plate are provided on the connecting plate, the connecting plate is rectangular, and there are multiple welding points, which are evenly distributed on two long sides of the connecting plate.

[0010] Optionally, the support frame is a closed ring-shaped component, and the ring-shaped component is formed by welding long strip plates end to end to connect them.

[0011] Optionally, the thickness of the connecting plate is A, the thickness of the supporting frame is B, and B is greater than A.

[0012] Optionally, the width of the support frame along the normal direction of the connecting plate is 40 mm to 44 mm.

[0013] Optionally, a weight-reducing hole is provided in the middle of the connecting plate, and the welding connection position is provided around the weight-reducing hole.

[0014] Optionally, a group of positioning holes for connecting and positioning the connecting plate and the supporting frame is provided on the connecting plate and / or the supporting frame.

[0015] Optionally, the support frame is provided with a plurality of welding positions for welding with the front longitudinal beam;

[0016] The support frame is also provided with a plurality of screw through holes for screwing with the front longitudinal beam.

[0017] The present application also provides a connection assembly for a front longitudinal beam, comprising a connection member as described in any one of the above, and further comprising:

[0018] A nut plate, the nut plate being welded to an end of the connecting plate away from the support frame;

[0019] A connecting seat, wherein the connecting seat, the nut plate and the connecting plate are arranged in sequence;

[0020] The connecting seat, the nut plate and the connecting plate are fixed by bolts, the connecting seat is used to be connected to the energy absorption box, and the connecting plate is used to be connected to the front longitudinal beam.

[0021] The present application also provides a car, comprising the connection assembly as described above.

[0022] As described above, the beneficial effects brought about by the technical solution in the utility model include at least: by designing the connecting plate and the support frame separately, the integrity of the support frame can be ensured without cutting the support frame, and there is no gap when the support frame supports the front end of the front longitudinal beam. The support frame can effectively fit with the front end of the front longitudinal beam, thereby enhancing the overall rigidity of the front end of the front longitudinal beam and avoiding deformation of this position when the front end of the front longitudinal beam collides. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Shown is a schematic diagram of a connector structure of an exemplary embodiment of the utility model;

[0024] Figure 2 A front view of a connector showing an exemplary embodiment of the present invention;

[0025] Figure 3Shown is a side view of a connector of an exemplary embodiment of the present invention;

[0026] Figure 4 Shown is a schematic diagram of the structure of a connection assembly of an exemplary embodiment of the utility model;

[0027] Figure 5 Shown is a side view of a connection assembly of an exemplary embodiment of the present invention;

[0028] Figure 6 Shown is an exploded view of a front longitudinal beam assembly according to an exemplary embodiment of the present invention.

[0029] Part Number Description:

[0030] 1. Connecting plate; 2. Support frame; 3. Nut plate; 4. Front longitudinal beam; 5. Weight reduction hole; 6. Positioning hole group; 7. Avoidance gap; 8. Connecting seat. DETAILED DESCRIPTION

[0031] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0032] It should be noted that the illustrations provided in the following embodiments are only used to schematically illustrate the basic concept of the present invention, and thus the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0033] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present disclosure. However, it is obvious to those skilled in the art that the embodiments of the present disclosure can be implemented without these specific details. In other embodiments, well-known structures and devices are shown in the form of block diagrams rather than in detail to avoid making the embodiments of the present disclosure difficult to understand.

[0034] See also Figure 1 , Figure 2 and Figure 3The utility model provides a connecting piece for a front longitudinal beam, comprising: a connecting plate 1, the connecting plate 1 is used to connect with a nut plate 3, and the middle part of the connecting plate 1 has a welding connection position; a support frame 2, the support frame 2 is penetrated in the front longitudinal beam 4 of the automobile and is used to support and connect the front longitudinal beam 4 of the automobile; wherein the support frame 2 is an annular shape and is normally arranged around the connecting plate 1, and the support frame 2 is welded to the welding connection position of the connecting plate 1 near the edge of the connecting plate 1.

[0035] In one embodiment of the present application, specifically, the connecting member includes a connecting plate 1 and a support frame 2, the connecting plate 1 is a rectangular plate, and a connecting portion and a welding connection position are provided on the connecting plate 1, the welding connection position is located in the middle of the connecting portion, that is, the connecting portion is arranged around the outer ring of the welding connection position, and the connecting portion is used to connect with the nut plate 3, the edge of the support frame 2 is welded on the welding connection position, the shape of the welding connection position and the cross-section of the support frame 2 are consistent, the cross-section of the support frame 2 and the welding connection position are both polygonal structures, the side surfaces of the support frame 2 are both arranged perpendicular to the connecting plate 1 (that is, the support frame 2 is arranged around the normal of the connecting plate 1), the support frame 2 is used to fit with the inner wall of the front longitudinal beam 4, and when the support frame 2 is connected to the front longitudinal beam 4, it is convenient to support the inner wall of the front longitudinal beam 4, and when a collision occurs, the deformation of the front longitudinal beam 4 caused by the collision can be reduced in the supporting area of ​​the support frame 2, the strength of the front end of the front longitudinal beam 4 is enhanced, and the insufficient rigidity caused by the notch in the support frame 2 is avoided, thereby causing the front longitudinal beam 4 to deform.

[0036] The connecting plate 1 is provided with welding points for welding with the nut plate 3 . The connecting plate 1 is rectangular and has a plurality of welding points, which are evenly distributed on the two long sides of the connecting plate 1 .

[0037] In one embodiment of the present application, specifically, a connecting portion is provided on the connecting plate 1, and the connecting portion is used to be connected to the nut plate 3. Twelve welding points are provided on the connecting portion, and the twelve welding points are respectively provided on both sides of the connecting plate 1 in the length direction, and the twelve welding points are used for welding when connected to the nut plate 3.

[0038] See also Figure 1 The support frame 2 is a closed ring-shaped component, which is formed by welding long strips of plate members end to end and connecting them.

[0039] In one embodiment of the present application, specifically, the main body of the support frame 2 is an elongated plate, which is bent multiple times to form a polygonal frame structure that fits the inner wall of the front end of the front longitudinal beam 4, and welding strips are provided at both ends of the length direction of the elongated plate, and the two ends of the length direction of the elongated plate are welded and connected to form a closed frame structure. The use of elongated plates facilitates processing and size adjustment.

[0040] The thickness of the connecting plate 1 is A, the thickness of the supporting frame 2 is B, and B is greater than A.

[0041] In one embodiment of the present application, specifically, because the connecting plate 1 and the support frame 2 adopt a separate body design, the thickness of the connecting plate 1 can be reduced without affecting the supporting strength of the support frame 2 to the front longitudinal beam 4, thereby reducing the overall weight of the connecting component and achieving lightweight benefits.

[0042] In one embodiment of the present application, specifically, the width of the support frame 2 along the normal direction of the connecting plate 1 is 42.5 mm.

[0043] See also Figure 2 In one embodiment of the present application, specifically, a weight-reducing hole 5 is provided in the middle of the connecting plate 1, and the welding connection position is provided around the edge of the weight-reducing hole 5. The weight-reducing hole 5 is a through hole, which can reduce the overall weight of the connecting plate 1 and realize the lightweight design of the entire vehicle.

[0044] Optionally, a positioning ring is further provided at the edge of the weight-reducing hole 5, and the support frame 2 is sleeved on the outer ring of the positioning ring, which facilitates the positioning of the support frame 2 during installation, reduces the steps during installation, and can play a certain supporting role.

[0045] In one embodiment of the present application, specifically, a positioning hole group 6 for connecting and positioning the connecting plate 1 and the supporting frame 2 is provided on the connecting plate 1 and / or the supporting frame 2. The positioning hole group 6 is used in conjunction with a clamp. When welding the supporting frame 2, it is first positioned using the clamp and the positioning hole group 6 to ensure accuracy during welding.

[0046] In one embodiment of the present application, specifically, the support frame 2 is provided with a plurality of welding positions for welding with the front longitudinal beam 4 and screw through holes for screwing with the front longitudinal beam 4, and screw through holes are also provided at positions of the front longitudinal beam 4 corresponding to the screw through holes of the support frame 2, so as to facilitate screwing the support frame 2 and the front longitudinal beam 4.

[0047] See also Figure 3 Furthermore, thirteen welding points and two screw through holes are provided on the support.

[0048] Furthermore, the support frame 2 is a polygon, seven welding points are arranged on the first side of the support frame 2, three welding points are arranged on the second side of the support frame 2, the first side and the second side are opposite sides, and the first side and the second side are two sides in the length direction, two screw through holes are arranged on the second side, and the three welding points of the second side are all located between the two screw through holes, two welding points are arranged on the third side of the support frame 2, and one welding point is arranged on the fourth side of the support frame 2, the third side is located above the support frame 2 when it is installed, and the fourth side is located below the support frame 2 when it is installed.

[0049] Optionally, an avoidance gap 7 is provided above the support frame 2 when it is installed, and the avoidance gap 7 is used to avoid the structure of the front end inside the front longitudinal beam 4 when the support frame 2 is installed.

[0050] The present application also provides a connection assembly for a front longitudinal beam, comprising the above-mentioned connection piece, and further comprising:

[0051] A nut plate 3, the nut plate 3 is welded to an end of the connecting plate 1 away from the supporting frame 2;

[0052] The connecting seat 8, the connecting seat 8, the nut plate 3 and the connecting plate 1 are arranged in sequence;

[0053] The connecting seat 8 , the nut plate 3 and the connecting plate 1 are fixed by bolts. The connecting seat 8 is used to be connected to the energy absorption box, and the connecting plate 1 is used to be connected to the front longitudinal beam 4 .

[0054] See also Figure 4 , Figure 5 and Figure 6 In one embodiment of the present application, specifically, the connecting assembly includes a connecting piece, a nut plate 3 and a connecting seat 8, which are arranged and connected in sequence, and the connecting piece and the nut plate 3 are welded to the nut plate 3 through welding points on the connecting plate 1, and multiple through holes are arranged above and below the connecting piece, the nut plate 3 and the connecting seat 8, and the connecting bolts pass through the through holes of the connecting piece, the nut plate 3 and the connecting seat 8 at the same time to fix the connecting piece, the nut plate 3 and the connecting seat 8.

[0055] The present application also provides a car, comprising the above-mentioned connection assembly.

[0056] In summary, this design ensures the integrity of the support frame by splitting the support frame and the connecting plate to avoid cutting and folding the connecting plate. When the support frame is connected to the front longitudinal beam, it can effectively support the inside of the front longitudinal beam to ensure the overall rigidity of the front longitudinal beam. The support frame adopts a long strip plate structure. The long strip plate is bent multiple times and then welded end to end to form a closed frame structure. The production process is simple and fast. In addition, since the support frame and the connecting plate adopt a split design, the support strength of the support frame can be ensured while reducing the thickness of the connecting plate, thereby realizing a lightweight design of the vehicle.

[0057] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A connector for a front longitudinal beam, characterized in that: include: A connecting plate, the connecting plate is used to connect with the nut plate, and the middle part of the connecting plate has a welding connection position; A support frame, the support frame is inserted into the front longitudinal beam of the automobile and is used to support and connect the front longitudinal beam of the automobile; Wherein, the support frame is in a ring shape and is normally arranged around the connecting plate. The support frame is welded to the welding connection position of the connecting plate near the edge of the connecting plate.

2. A connector for a front longitudinal beam according to claim 1, characterized in that: The connecting plate is provided with welding points for welding with the nut plate. The connecting plate is rectangular and has a plurality of welding points, which are evenly distributed on two long sides of the connecting plate.

3. The connector for the front longitudinal beam according to claim 1, characterized in that: The support frame is a closed ring-shaped component, and the ring-shaped component is formed by welding long strip plates end to end to connect and close.

4. The connector for the front longitudinal beam according to claim 1, characterized in that: The thickness of the connecting plate is A, the thickness of the supporting frame is B, and B is greater than A.

5. The connecting piece for the front longitudinal beam according to claim 3, characterized in that: The width of the support frame along the normal direction of the connecting plate is 40 mm to 44 mm.

6. The connecting piece for the front longitudinal beam according to claim 3, characterized in that: A weight-reducing hole is arranged in the middle of the connecting plate, and the welding connection position is arranged around the weight-reducing hole.

7. The connector for the front longitudinal beam according to claim 1, characterized in that: The connecting plate and / or the supporting frame are provided with a group of positioning holes for connecting and positioning the connecting plate and the supporting frame.

8. The connecting piece for the front longitudinal beam according to claim 3, characterized in that: The support frame is provided with a plurality of welding positions for welding with the front longitudinal beam; The support frame is also provided with a plurality of screw through holes for screwing with the front longitudinal beam.

9. A connection assembly for a front longitudinal beam, characterized in that: The connecting member according to any one of claims 1 to 8 further comprises: A nut plate, the nut plate being welded to an end of the connecting plate away from the support frame; A connecting seat, wherein the connecting seat, the nut plate and the connecting plate are arranged in sequence; The connecting seat, the nut plate and the connecting plate are fixed by bolts, the connecting seat is used to be connected to the energy absorption box, and the connecting plate is used to be connected to the front longitudinal beam.

10. An automobile, characterized in that: Comprising the connection assembly as claimed in claim 9.

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